[3] He is known for his appearance in the variety program Crime Scene Season 3 and gained recognition for his roles in television series Queen: Love and War (2019–20), Backstreet Rookie (2020), Snowdrop (2021–22), Business Proposal (2022), and The Heavenly Idol (2023).

[4] Kim gained recognition for his career's first leading role through the historical drama Queen: Love and War (2019–20) where he played Lee Kyung, the King of Joseon.

[7] Later the same year, he played Joo Gyeok-chan – a cold-hearted North Korean agent, in JTBC drama Snowdrop.

[8] In 2022, Kim starred in the SBS romantic comedy drama Business Proposal as chief secretary Cha Sung-hoon.

[13] On March 20, 2024, Companion Company announced through Kim's fan cafe post that he will enlist to fulfill his mandatory military service as an active duty soldier on April 1.